Position in ROK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,821,088
+$2,941,993 QoQ
Shares Held
9,738
+86.0% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#405
of 1,527 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ROK Over Time
Shares Held
Position Value (USD)
Derivatives in ROK
reported options exposure · as of Jun 30, 2026CallValue
$95,698,964
CallShares
193,300
PutValue
$56,736,168
PutShares
114,600
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Specialty Industrial Machinery
Industrials · as of Jun 30, 2026JANE STREET GROUP, LLC holds $1,066,894,968 across 53 Specialty Industrial Machinery names. ROK ranks #23 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CMI |
Cummins Inc
|
254,761 | $181,698,092 | |
| 2 | GNRC |
Generac Holdings Inc.
|
601,012 | $175,982,323 | |
| 3 | GEV |
GE Vernova Inc.
|
136,446 | $160,304,946 | |
| 4 | IEX |
Idex Corp /De/
|
411,838 | $93,466,633 | |
| 5 | DOV |
DOVER Corp
|
397,578 | $89,168,793 | |
| 6 | INIO |
Innio N.V.
|
1,885,532 | $74,572,789 | |
| 7 | XE |
X-Energy, Inc.
|
3,855,908 | $70,794,470 | |
| 8 | NPO |
Enpro Inc.
|
108,125 | $40,755,555 |
All Filings in ROK
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $95,698,964 | 193,300 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $4,821,088 | 9,738 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $56,736,168 | 114,600 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $103,967,536 | 289,700 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $58,928,096 | 164,200 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $1,879,095 | 5,236 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $62,718,084 | 161,200 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $101,080,386 | 259,800 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $10,133,716 | 26,046 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $10,801,525 | 30,903 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $85,390,179 | 244,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $53,443,137 | 152,900 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $42,136,760 | 126,853 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $2,026,237 | 6,100 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $70,320,389 | 211,700 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $45,495,808 | 176,081 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $19,068,444 | 73,800 | Call | Defined | 2025-05-19 | |
| 2025-03-31 | $1,834,498 | 7,100 | Put | Defined | 2025-05-19 | |
| 2024-12-31 | $15,923,646 | 55,718 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,800,477 | 6,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $4,515,482 | 15,800 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $5,208,124 | 19,400 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $13,866,226 | 51,651 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $5,959,812 | 22,200 | Put | Defined | 2024-11-15 | |
| 2024-06-30 | $10,134,707 | 36,816 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $5,918,077 | 20,314 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $8,942,133 | 28,801 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $11,095,470 | 38,813 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $1,744,767 | 5,296 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $11,140,242 | 37,963 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $14,514,841 | 56,353 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $28,656,093 | 133,216 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $6,942,565 | 34,833 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $12,461,335 | 44,500 | Call | Defined | 2022-05-17 | |
| 2022-03-31 | $6,048,648 | 21,600 | Put | Defined | 2022-05-17 | |
| 2022-03-31 | $12,083,013 | 43,149 | Shares | Defined | 2022-05-17 | |
| 2021-12-31 | $5,058,325 | 14,500 | Put | Defined | 2022-02-15 | |
| 2021-12-31 | $8,282,047 | 23,741 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $5,860,680 | 16,800 | Call | Defined | 2022-02-15 | |
| 2021-09-30 | $7,586,232 | 25,800 | Put | Defined | 2021-11-16 | |
| 2021-09-30 | $6,439,476 | 21,900 | Call | Defined | 2021-11-16 | |
| 2021-09-30 | $3,372,050 | 11,468 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $381,836 | 1,335 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $3,975,678 | 13,900 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $13,099,716 | 45,800 | Call | Defined | 2021-08-16 | |
| 2021-03-31 | $5,543,182 | 20,883 | Shares | Defined | 2021-05-18 | |
| 2021-03-31 | $6,211,296 | 23,400 | Put | Defined | 2021-05-18 | |
| 2021-03-31 | $4,804,464 | 18,100 | Call | Defined | 2021-05-18 | |
| 2020-12-31 | $2,558,262 | 10,200 | Put | Defined | 2021-02-17 | |
| 2020-12-31 | $5,608,612 | 22,362 | Shares | Defined | 2021-02-17 | |
| No filing history on record for this holder in this stock. | ||||||